[Feature][connections] connection scope configure should support select 'all'

[blackholll]

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• I had searched in the issues and found no similar feature requirement.

Use case

currently, when configuring connection's scope, it will fetch data page by page. in our scene, we have thousands of project in github, jira, sonar. I have to wait load scope options page by page, and then select project one by one.
It cost me several hours to config one connection.
In my opinion, connection page should provide a option 'all', if user select 'all', devlake should get all project and relate to connection in the backgroud

Description

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Related issues

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Are you willing to submit a PR?

• Yes I am willing to submit a PR!

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